1 ; RUN: llc < %s -verify-machineinstrs -spiller=standard
2 ; RUN: llc < %s -verify-machineinstrs -spiller=inline
5 ; This test has an inline asm with early-clobber arguments.
6 ; It is big enough that one of the early clobber registers is spilled.
8 ; All the spillers would get the live ranges wrong when spilling an early
9 ; clobber, allowing the undef register to be allocated to the same register as
12 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32"
13 target triple = "armv7-eabi"
15 %0 = type { i32, i32 }
17 define void @foo(i32* %in) nounwind {
21 bb.i: ; preds = %bb.i, %entry
22 br i1 undef, label %bb10.preheader.i, label %bb.i
24 bb10.preheader.i: ; preds = %bb.i
27 bb10.i: ; preds = %bb10.i, %bb10.preheader.i
28 br i1 undef, label %bb27.i, label %bb10.i
30 bb27.i: ; preds = %bb10.i
33 bb28.i: ; preds = %bb28.i, %bb27.i
34 br i1 undef, label %presymmetry.exit, label %bb28.i
36 presymmetry.exit: ; preds = %bb28.i
37 %tmp175387 = or i32 undef, 12
38 %scevgep101.i = getelementptr i32* %in, i32 undef
39 %tmp189401 = or i32 undef, 7
40 %scevgep97.i = getelementptr i32* %in, i32 undef
41 %tmp198410 = or i32 undef, 1
42 %scevgep.i48 = getelementptr i32* %in, i32 undef
43 %0 = load i32* %scevgep.i48, align 4
44 %1 = add nsw i32 %0, 0
45 store i32 %1, i32* undef, align 4
46 %asmtmp.i.i33.i.i.i = tail call %0 asm "smull\09$0, $1, $2, $3", "=&r,=&r,%r,r,~{cc}"(i32 undef, i32 1518500250) nounwind
47 %asmresult1.i.i34.i.i.i = extractvalue %0 %asmtmp.i.i33.i.i.i, 1
48 %2 = shl i32 %asmresult1.i.i34.i.i.i, 1
49 %3 = load i32* null, align 4
50 %4 = load i32* undef, align 4
51 %5 = sub nsw i32 %3, %4
52 %6 = load i32* undef, align 4
53 %7 = load i32* null, align 4
54 %8 = sub nsw i32 %6, %7
55 %9 = load i32* %scevgep97.i, align 4
56 %10 = load i32* undef, align 4
57 %11 = sub nsw i32 %9, %10
58 %12 = load i32* null, align 4
59 %13 = load i32* %scevgep101.i, align 4
60 %14 = sub nsw i32 %12, %13
61 %15 = load i32* %scevgep.i48, align 4
62 %16 = load i32* null, align 4
63 %17 = add nsw i32 %16, %15
64 %18 = sub nsw i32 %15, %16
65 %19 = load i32* undef, align 4
66 %20 = add nsw i32 %19, %2
67 %21 = sub nsw i32 %19, %2
68 %22 = add nsw i32 %14, %5
69 %23 = sub nsw i32 %5, %14
70 %24 = add nsw i32 %11, %8
71 %25 = sub nsw i32 %8, %11
72 %26 = add nsw i32 %21, %23
73 store i32 %26, i32* %scevgep.i48, align 4
74 %27 = sub nsw i32 %25, %18
75 store i32 %27, i32* null, align 4
76 %28 = sub nsw i32 %23, %21
77 store i32 %28, i32* undef, align 4
78 %29 = add nsw i32 %18, %25
79 store i32 %29, i32* undef, align 4
80 %30 = add nsw i32 %17, %22
81 store i32 %30, i32* %scevgep101.i, align 4
82 %31 = add nsw i32 %20, %24
83 store i32 %31, i32* null, align 4